"Haiku, the open source re-creation of BeOS, threatens to become 'The Duke Nukem of operating systems', joked long-time contributor Ryan Leavengood. Actually, after eleven years of development, Haiku still falls four years short of Duke Nukem Forever's long delay, but few other projects have been so long in development. However, with the recent release of Alpha 4.1, Haiku is at last nearing general release." 2013 is going to be very exciting for Haiku.

One of the slogans from Be in it`s time, was, the new amiga. Indeed they were on a good path for a while, with multiple cpu`s. However today, the Intel E5 is "the new Amiga". And that I say as a very easily critiquing user.
What OS you run, seems to matter less these days.